CN203534157U - Novel expanded energy-saving fast-firing tunnel kiln - Google Patents
Novel expanded energy-saving fast-firing tunnel kiln Download PDFInfo
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- CN203534157U CN203534157U CN201320681365.6U CN201320681365U CN203534157U CN 203534157 U CN203534157 U CN 203534157U CN 201320681365 U CN201320681365 U CN 201320681365U CN 203534157 U CN203534157 U CN 203534157U
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Abstract
The utility model discloses a novel expanded energy-saving fast-firing tunnel kiln. The novel expanded energy-saving fast-firing tunnel kiln comprises a gas system, a temperature control system, a rectangular kiln body and a kiln car. The kiln body is composed of a preheating area (4), a pre-firing area (20), a firing area (19) and a cooling area, wherein the cooling area comprises a transition area (26), a quenching area (18), a slow cooling area (17) and a natural cooling area (16) which are sequentially arranged; the upper portions and the lower portions of both sides of the preheating area are provided with mixing fans (5) and smoke vents (21) respectively; both sides of the pre-firing area are provided with spraying guns (8); the top and the sides of the pre-firing area are provided with adjusting air curtains (11); both sides of the natural cooling area are provided with air vents (15). The novel expanded energy-saving fast-firing tunnel kiln is a significant improvement on the basis of existing tunnel kilns and is compact in structure, easy to manufacture and maintain, high in production efficiency, good in firing quality, high in durability and long in service life.
Description
Technical field
The utility model relates to a kind of kiln, especially relates to the fast fired tunnel kiln of a kind of Energy-saving Broad-body.
Background technology
As everyone knows, tunnel cave is that the novel ceramic tile of a kind of efficient low-consume is fired kiln technology, but existingly with road kiln, in use also comes with some shortcomings: the one, and cool time is long, affects production efficiency; The 2nd, Temperature Distribution is not quite even, and quality is burnt till in impact; Be that service life is not long again, Operation and Maintenance is not quite convenient.
Utility model content
For the existing problem of above-mentioned prior art tunnel cave, the utility model provides a kind of not only production efficiency high, and energy consumption is low, and it is good to burn till quality, the fast fired tunnel kiln of Energy-saving Broad-body of long service life.
The purpose of this utility model is to realize like this, the fast fired tunnel kiln of described Energy-saving Broad-body comprises gas burning system, temperature control system, rectangular kiln body and the kiln car that can move in kiln body, described kiln body is by preheating zone, pre-burning band, clinkering zone and salband form, described salband is disposed with intermediate zone, chilling band, slow-cooling-zone and from cold belt, upper and lower, both sides, described preheating zone is respectively arranged with agitation fan and exhaust opening, two, described pre-burning band is provided with the spray gun being arranged in parallel that is being connected with gas burning system, at pre-burning band top and sidepiece, be arranged on adjusting air curtain, described clinkering zone both sides interleaved is provided with the spray gun being connected with gas burning system, described chilling band both sides are provided with cold wind mouth, on described slow-cooling-zone, be arranged at intervals with and take out hot-air mouth, describedly from cold belt both sides, be provided with ventilating opening.
The utlity model has following characteristics:
1, spray gun adopts high speed low discharge spray gun, can make combustion gas mixing better, burns more complete;
2, combustion air and combustion gas adoption rate are controlled, and can effectively control wind combustion ratio, can effectively guarantee air excess;
3, spray gun is arranged and can be made air-flow stir in cross section, and the temperature difference in cross section is reduced.
4, main blower fan adopts VFC;
5, combustion fan adopts pressure transmitter and Frequency Converter Control rotating speed, and combustion air supervisor can guarantee pressure stability;
6, furnace pressure is by furnace pressure sensor and smoke evacuation Frequency Converter Control, can adjust rotation speed of fan according to the size of exhaust gas volumn;
7, chilling temperature is to control by chilling fan frequency converter, can stablize chilling temperature;
8, kiln body adopts quality refractory insulation material, and high-temperature nano insulation material, can effectively reduce heat radiation, and it is even that kiln temperature more can tend to;
9, crucial airduct adopts high-quality heat-resistance stainless steel, the slag that do not fall, long service life;
10, under rational bent envelope and car, wind energy guarantees furnace atmosphere balance, and under car, temperature is low,
11, the Rational structure of each temperature section can make airflow smooth, and section has a narrow range of temperature, and each section can evenly heat up,
12, adopt light-duty kiln car, lightweight steel frame construction, the heat-resisting bearing of high-quality.It is more energy-conservation, more flexible,
13, automatic carrier return, self-acting trailer flexible operation, convenience, safeguard simply,
14, adopt PID wholly computer controlled, temperature control precision is high, can carry out real time data inspecting.
The utility model has carried out significant improvement on the basis of existing tunnel kiln, it not only compact conformation, manufacture easy to maintenancely, and production efficiency is high, burns till quality good, kiln durability is high, long service life.
Accompanying drawing explanation
Fig. 1 is the utility model preheating zone, pre-burning band and clinkering zone sectional structure schematic diagram,
Fig. 2 is the utility model salband sectional structure schematic diagram,
Fig. 3 is the A-A sectional structure enlarged diagram of Fig. 1,
Fig. 4 is the B-B sectional structure enlarged diagram of Fig. 1,
Fig. 5 is the C-C sectional structure enlarged diagram of Fig. 2,
Fig. 6 is the D-D sectional structure enlarged diagram of Fig. 2.
In the drawings, 1, kiln car 2, wicket 3, housing 4, preheating zone 5, agitation fan 6, segmented column 7, thermocouple 8, spray gun 9, combustion gas arm 10, gas header pipe 11, regulate air curtain 12, cold wind mouth 13, take out hot-air mouth 14, warm-air pipe 15, ventilating opening 16, from cold belt 17, slow-cooling-zone 18, chilling band 19, clinkering zone 20, pre-burning band 21, exhaust opening 22, smoke exhaust pipe 23, ceramic tile 24, thermal insulator 25, cool air hose 26, intermediate zone.
The specific embodiment
At Fig. 1, Fig. 2, Fig. 3, Fig. 4, in Fig. 5 and Fig. 6, the fast fired tunnel kiln of described Energy-saving Broad-body comprises gas burning system, temperature control system, rectangular body of heater and the kiln car 1 that can move at body of heater, on kiln car, be provided with ceramic tile 23, kiln body the third end is provided with wicket 2, described kiln body consists of housing 3 and thermal insulator 24, kiln body is by preheating zone 4, pre-burning band 20, clinkering zone 19 and salband form, described salband comprises the intermediate zone 26 setting gradually, chilling band 18, slow-cooling-zone 17 and from cold belt 16, upper and lower, both sides, described preheating zone is respectively arranged with agitation fan 5 and exhaust opening 21, described exhaust opening is connected with smoke exhaust pipe 22, two, described pre-burning band is provided with the spray gun 8 being arranged in parallel that is being connected with gas burning system, spray gun on pre-burning band both sides first arranges two rows, be set as again six rows, spray gun is connected with gas header pipe 10 by combustion gas arm 9, gas header pipe is connected with gas burning system, at pre-burning band top and sidepiece, be arranged on adjusting air curtain 11, this clinkering zone both sides interleaved be provided with the spray gun 8 being connected with gas burning system, spray gun on clinkering zone both sides is six row's interleaved settings, in pre-burning band and clinkering zone both sides, be arranged on the thermocouple 7 being connected with temperature control system, described chilling band both sides are provided with the cold wind mouth 12 being connected with cool air hose 25, on described slow-cooling-zone, be arranged at intervals with and take out hot-air mouth 13, taking out hot-air mouth is connected with warm-air pipe 14, waste heat wind is exported and be can be used as dry base substrate and use by warm-air pipe, describedly from cold belt both sides, be provided with ventilating opening 15 and two and take out hot-air mouth.Described kiln body is divided into 58 joints by segmented column 6, every joint is 2 meters, totally 116 meters, wherein preheating zone is 12 joints (24 meters) altogether, pre-burning band is 12 joints (24 meters) altogether, clinkering zone 10 joints (20 meters), and salband is 24 joints (48 meters) altogether, wherein intermediate zone is that 1 joint (2 meters), chilling band 4 save (8 meters), slow-cooling-zone is 14 joints (28 meters), from cold belt 5 joints (10 meters).
One, kiln work system summary kiln adopts standard block modulus to assemble, totally 58 standard blocks.By square tube, support fire-resistant, insulation material and the various plant equipment in kiln.Each unit is made by metal steel, with bolts, easily removes, is convenient to regulate and maintenance.The external side of kiln is decorated with varnish board.Framework spraying enamel paint, whole kiln is specious generous.
1, preheating zone: 1st～12 district is preheating belt length 24m.Kiln top adopts ceiling structure, can effectively reduce upper and lower temperature difference like this, makes the draining of goods in this temperature section more stable, is provided with and stirs air port simultaneously in this section, makes the interior upper and lower temperature of kiln even.On the bent envelope in bottom, preheating zone, (leaning on kiln vehicle surface place) is provided with multipair exhaust opening altogether, is beneficial to reduce upper and lower temperature difference in kiln, and exhaust opening imports kiln top smoke exhaust pipe from kiln side, then delivers to hothouse or discharged by chimney through smoke exhaust fan.
2, pre-burning band
13rd～24 district are pre-burning belt length 24m.15-20 joint in this district arranges lower rifle, and every joint is arranged 2 spray guns.The every joint in 21-24 district arranges that 6 spray guns are used for supplementing kiln temperature and product is fully oxidized.21 top, He22 district, districts and side wall arrange atmosphere and regulate air curtain, and product can be fully oxidized.
3, clinkering zone: 25-34 district
Burn till belt length 20m, the every joint kiln of 25-34 wall paper is put 6 spray guns.For making homogeneous heating, horizontal direction staggers.
4, salband:
35 joints are excessive section, and 36-39 saves as quench zone.Chilling adopts the horizontally disposed multipair cold wind mouth of upper and lower quirk; Slow-cooling-zone (28m); Slow cooling section mainly adopts the form of indirect cooling and pump drainage hot blast.Vertical and the multipair cold wind entrance of horizontal interlaced arrangement of nature cold belt (10m), kiln pushes up has one to take out hot-air mouth.
Two, each partial structure of kiln body
(1) frame mode of kiln body
Bogie side frame material adopts 70*50,50*50 square tube
High temperature section kiln top adopts 100*50 square tube
Kiln top, low temperate zone adopts 70*50 square tube
(2) smoke exhaust pipe all adopts 304 corrosion resistant plates of 2mm to make, and kiln hood stirs wind kiln inner tube and all adopts 304 stainless steels of 2mm to make.Other airducts adopt 2mmA3 plate to make.
(3) at the bottom of case and kiln car base plate adopt 2mmA3 plate,
(4) heat exchanger adopts import heat-resistance stainless steel 321 and 304 materials.
(5) kiln car adopts 10# channel-section steel, 10# square tube,
(6)kiln side plate is 1.5MMA3 cold drawing, four edge break limits, surperficial baking vanish.
three,refractory brick and insulation material:
(1) JM-28 brick: cutting processing brick, structured size; (Jiangsu or East Platform)
ρ=0.9；Al
2O
3≥58%;Fe
2O
3≤0.5%;?T
MAX≥1500℃
(2) mullite brick: cutting processing brick, structured size; (Jiangsu or East Platform)
ρ=0.8；Al
2O
3≥52%;?Fe
2O
3≤1%;?T
MAX≥1350℃
(3) clay floating bead brick: ρ=0.8; (Xinmi City's refractory factory or local product)
(4) the poly-light ball brick of high alumina: ρ=0.8; Al
2o
3>=45%; Fe
2o
3≤ 2%; T
mAX>=1300 ℃ (Xinmi City's refractory factory).
(5) burner block is high alumina combined corundum brick: T
mAX>=1650 ℃; (Henan meter Bei insulation material factory)
(6) 1050 ℃ of above warm area dilatation joints adopt high aluminum fiber blanket (Luyang, Shandong)
(7) clinkering zone insulation quilt adopts high-purity alumina silicate HP fibrofelt (T
mAX>=1100 ℃) (Luyang, Shandong); 800 ℃ of following warm areas adopt STD cellucotton felt (T
mAX>=1050 ℃).(Jiaozhuo, Henan)
(8) high temperature cohesive strength >=2Mpa; (Jiangsu Hua Sheng insulation material factory)
(9) alumina firebrick adopts Henan meter Bei insulation material factory, and heavy clay brick adopts local product.
Four, masonry and insulating sections:
For guaranteeing that masonry tightly reaches the high-tech standard of import kiln, kiln body air-tightness is good, thermally-stabilised good, and frame structure is assembledly built by laying bricks or stones with high-alumina refractory mud or high-temperature agglomerant after good at this.Kiln is Thermal Equipment, considers its thermal expansion, therefore laterally and be longitudinally equipped with dilatation joint at kiln body.
(1) smoke evacuation is one section: 1-6 saves (ceiling structure)
Top: the poly-light ball brick+20MMSTD tapetum fibrosum+20MM perlite of 120MM high alumina is joined castable
Side wall: 230MM light weight fireclay brick+100MMSTD felt+50mm rock cotton board
(2) smoke evacuation is two sections: 7-12 saves (ceiling structure)
Top: the poly-light ball brick+20MMSTD tapetum fibrosum+20MM perlite of 150MM high alumina is joined castable
Side wall: 115 high aluminas gather light ball brick (6 joint)+115MM light weight fireclay brick+100MMSTD felt+50mm rock cotton board
(3) in, temperature is one section: 13-20 saves (ceiling structure)
Top: the poly-light ball brick+40MMSTD tapetum fibrosum+30MM perlite of 230MM high alumina is joined castable
Side wall: 230mm high alumina gathers light ball brick+115MM light weight fireclay brick+50MMSTD felt+50mm rock cotton board
(4) two sections of 21-24 joints of temperature (ceiling structure) in
Top: 230MM mullite brick+60MMSTD tapetum fibrosum+30MM perlite is joined castable
Side wall: 115MM mullite brick+115mm high alumina gathers light ball brick+115MM light weight fireclay brick+100MMSTD felt+50mm rock cotton board,
(5) high temperature is one section: 25-27 (ceiling structure)
Top: 230mm mullite brick+80MMSTD tapetum fibrosum+30MM perlite is joined castable
Side wall: 230mm mullite JM26 brick+115mm high alumina gathers the high-purity plate+50mm of light ball brick+115MM light weight fireclay brick+50MM general fibre plate+50MM rock cotton board
(6) two sections of high temperature, changeover portion, chilling are one section: 28-36 saves (ceiling structure)
Top: 260MMJM28 mullite brick+80MMSTD tapetum fibrosum+30MM perlite is joined castable
Side wall: 115mmJM28 mullite brick+115mm mullite JM26 brick+115mm high alumina gathers the high-purity fiberboard+50MM of the high aluminium sheet+50mm of light ball brick+115MM light weight fireclay brick+50MM rock cotton board
(7) quench zone is two sections: 37-38 joint (ceiling structure) refractory material is the same with one section of high temperature,
(8) three joints after quench zone: 39 joint (ceiling structure) refractory materials are the same with two sections of middle temperature,
(9) steady cold section: 40-53 joint (top is with middle-temperature section 1-9 joint) (ceiling structure) refractory material is the same with two sections of smoke evacuations,
(10) direct-cooled section: (steel plate structure) 54-58 joint
Five, gas burning system:
Gas burning system comprises pressure-reducing station, on-the-spot air supply header, arm, various valve, filter, executing agency, burner.Coal gas burner important technological parameters is as follows: burning capacity 50000-80000Kcal/h.Tracheae all adopts steel pipe.The gas of all burners, combustion air all adopt metal to connect, and control by scale valve.Coal gas supervisor is provided with pressure detecting order system.Combustion air can reach 80-180 ℃ by heat exchange, can effectively save the energy.
Six, control system:
Kiln Control System comprises dynamic Control, thermal technology's control and sound and light alarm and protection system.Control system is divided into instrument and computer two parts.Can preserve all service datas of kiln.
1.1, dynamic Control
The startup of blower fan and stopping.Blower fan adopts Y-△ to start, and adopts two places control form.Smoke exhaust fan adopts VFC, and chilling blower fan adopts VFC, and combustion fan adopts frequency conversion.
2.2, thermal technology controls and warning safety system:
2.2.1, full kiln body establishes 26 points for measuring temperature altogether, wherein high temperature is 17,9 of low temperature.
2.2.2, kiln analog board is set in electrical control cubicles, intuitively react kiln working condition, the indicator lamp on analog board, same class blower fan one are opened one standby, if working fan stall is reported to the police and occurs reporting to the police accordingly light.
2.2.3, all wires guarantee that motor runs well.
2.2.4, high-temperature region (clinkering zone) adopts 17 of S calibration thermocouples, 9 of low-temperature space (pre-burning band) employing K type thermocouples.
Full kiln body induced duct adopts A3 steel plate to make housing 3.According to the requirement of each section of row of kiln body, air output, reasonable Arrangement airduct, each airduct supervisor, arm are provided with flashboard and regulate, and control is taken out, air output.Warm-air pipe is incubated with ceramic fiber cotton, kalamein aluminium sheet, and remaining pipes adopts different paint to distinguish its difference in functionality.Specious generous.
Kiln car steel frame construction is comprised of steel wheel, bearing and shaped steel.Kiln car both sides are provided with sealing device between sand seal plate and kiln car, adopt tortuous closing form between masonry.Kiln car uses the material of lightweight, high heat preservation property, and this material structure can greatly reduce the heat transmission of kiln car, reduces fuel consumption, reaches energy-conservation object.Except energy-conservation, owing to having reduced kiln car accumulation of heat, can also effectively improve the uniformity of preheating and chilling temperature, and reduce into car resistance, increase kiln car smoothness of operation.Kiln car mark license number.Ride face paving one deck ceramic wool is to reduce accumulation of heat, favourable energy-conservation.
This system comprises that the facilities such as kiln car track, trailer road and loop, maintenance tunnel form.
Thereby connecting portion will adopt oblique angle alternating chain minimally to reduce kiln car walking in the vibration of rail connection.Dilatation joint is established in every 3 meters of high temperate zone, and dilatation joint is established in every 6 meters of low temperate zone.Track is fixed by being arranged on adjustable pressure strip on steelframe.
The kiln car that installs roasted product is delivered to kiln hood by manual motorcycle, then is advanced in kiln by automatic hydraulic kiln car pusher according to entering car requirement.Respectively through preheating, burn till, be pushed out to kiln tail after cooling, then be transported on carriage-returning track through the manual motorcycle of kiln tail, through unloading, entrucking reenters circular flow in kiln.
Claims (2)
1. the fast fired tunnel kiln of Energy-saving Broad-body, it comprises gas burning system, temperature control system, rectangular kiln body and the kiln car (1) that can move at kiln body, described kiln body is by preheating zone (4), pre-burning band (20), clinkering zone (19) and salband form, it is characterized in that: described salband is disposed with intermediate zone (26), chilling band (18), slow-cooling-zone (17) and from cold belt (16), upper and lower, both sides, described preheating zone is respectively arranged with agitation fan (5) and exhaust opening (21), two, described pre-burning band is provided with the spray gun (8) being arranged in parallel that is being connected with gas burning system, at pre-burning band top and sidepiece, be arranged on adjusting air curtain (11), described clinkering zone both sides interleaved is provided with the spray gun (8) being connected with gas burning system, chilling band both sides are provided with cold wind mouth (12), on slow-cooling-zone, be arranged at intervals with and take out hot-air mouth (13), from cold belt both sides, be provided with ventilating opening (15).
2. the fast fired tunnel kiln of Energy-saving Broad-body according to claim 1, is characterized in that: describedly from cold belt (16) both sides, be provided with and take out hot-air mouth (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681365.6U CN203534157U (en) | 2013-11-01 | 2013-11-01 | Novel expanded energy-saving fast-firing tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681365.6U CN203534157U (en) | 2013-11-01 | 2013-11-01 | Novel expanded energy-saving fast-firing tunnel kiln |
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| Publication Number | Publication Date |
|---|---|
| CN203534157U true CN203534157U (en) | 2014-04-09 |
Family
ID=50420355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681365.6U Expired - Fee Related CN203534157U (en) | 2013-11-01 | 2013-11-01 | Novel expanded energy-saving fast-firing tunnel kiln |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193294A (en) * | 2014-08-21 | 2014-12-10 | 江西萍乡龙发实业股份有限公司 | Method for quickly firing acid-proof ceramic tile by adopting wide-body tunnel kiln |
| CN104567360A (en) * | 2014-12-27 | 2015-04-29 | 宁夏黑金科技有限公司 | Novel burning equipment for producing microcrystalline fireproof foaming heat-preservation material |
| CN109341333A (en) * | 2018-10-16 | 2019-02-15 | 广东科达洁能股份有限公司 | A kind of big specification foamed ceramic roller kilns device |
| CN110396592A (en) * | 2019-06-28 | 2019-11-01 | 江西南氏锂电新材料有限公司 | The method and calciner of lithium salts processed are roasted using lithium ore spontaneous combustion as heat source |
| CN111380357A (en) * | 2018-12-29 | 2020-07-07 | 洛阳利尔中晶光伏材料有限公司 | Tunnel kiln |
| CN112762708A (en) * | 2019-10-21 | 2021-05-07 | 佛山金意绿能新材科技有限公司 | Roller kiln cooling system for producing foamed ceramics |
| CN114719598A (en) * | 2022-04-13 | 2022-07-08 | 浙江工业大学 | Energy-saving efficient tunnel kiln |
-
2013
- 2013-11-01 CN CN201320681365.6U patent/CN203534157U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193294A (en) * | 2014-08-21 | 2014-12-10 | 江西萍乡龙发实业股份有限公司 | Method for quickly firing acid-proof ceramic tile by adopting wide-body tunnel kiln |
| CN104193294B (en) * | 2014-08-21 | 2016-01-06 | 江西萍乡龙发实业股份有限公司 | A kind of wide tunnel furnace burns till the method for acid-proof ceramic tile fast |
| CN104567360A (en) * | 2014-12-27 | 2015-04-29 | 宁夏黑金科技有限公司 | Novel burning equipment for producing microcrystalline fireproof foaming heat-preservation material |
| CN109341333A (en) * | 2018-10-16 | 2019-02-15 | 广东科达洁能股份有限公司 | A kind of big specification foamed ceramic roller kilns device |
| CN109341333B (en) * | 2018-10-16 | 2024-02-09 | 佛山市科达机电有限公司 | Roller kiln device for large-size foamed ceramics |
| CN111380357A (en) * | 2018-12-29 | 2020-07-07 | 洛阳利尔中晶光伏材料有限公司 | Tunnel kiln |
| CN110396592A (en) * | 2019-06-28 | 2019-11-01 | 江西南氏锂电新材料有限公司 | The method and calciner of lithium salts processed are roasted using lithium ore spontaneous combustion as heat source |
| CN110396592B (en) * | 2019-06-28 | 2020-07-10 | 江西南氏锂电新材料有限公司 | Method and device for baking lithium salt by using spontaneous combustion of lithium ore as heat source |
| CN112762708A (en) * | 2019-10-21 | 2021-05-07 | 佛山金意绿能新材科技有限公司 | Roller kiln cooling system for producing foamed ceramics |
| CN114719598A (en) * | 2022-04-13 | 2022-07-08 | 浙江工业大学 | Energy-saving efficient tunnel kiln |
| CN114719598B (en) * | 2022-04-13 | 2024-05-24 | 浙江工业大学 | Energy-saving efficient tunnel kiln |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20201101 |